Home / 220,639,396.84-304,470,413.75-121,500,762.28

Finding the Fourth Proportional to 220,639,396.84, 304,470,413.75 and 121,500,762.28

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Solution

The fourth proportional to 220,639,396.84, 304,470,413.75 and 121,500,762.28 is: 167,664,469.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,639,396.84 : 304,470,413.75 = 121,500,762.28 : x
  2. Step 2: Convert to fraction form
    220,639,396.84/304,470,413.75 = 121,500,762.28/x
  3. Step 3: Cross multiply
    220,639,396.84x = 304,470,413.75 × 121,500,762.28
  4. Step 4: Simplify right side
    220,639,396.84x = 36,993,387,361,874,568
  5. Step 5: Solve for x
    x = 36,993,387,361,874,568/220,639,396.84
  6. Step 6: Final answer
    x = 167,664,469.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.